This book focuses on the technology and design of integrated circuit EDA. It introduces the EDA tools used by international mainstream, and the EDA tool flow and design technology of analog integrated circuit and digital integrated circuit. It discusses the fundamentals of SPICE simulation, including integrated circuit simulation methods based on two SPICE emulators, i.e. HSPICE and SPECTRE, the layout design of integrated circuits, the use of verification tools and the design techniques related to the layout.